.banner {
    width: 1518px;
    height: 666px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    margin: 0 auto;
}

.banner ul li img {
    width: 100%;
}

.banner ul li {
    position: absolute;
    left: -50px;
    top: 0px;
    opacity: 0;
    transition: all 0.5s;
}

.banner ul li.show {
    opacity: 1;
}

.left-arrow {
    position: absolute;
    width: 54px;
    height: 54px;
    left: 120px;
    top: 260px;
    cursor: pointer;
    background: #ffffff;
}

.banner a {
    display: block;
    font-size: 50px;
    line-height: 48px;
}

.right-arrow {
    position: absolute;
    width: 54px;
    height: 54px;
    right: 120px;
    top: 260px;
    cursor: pointer;
    background: #ffffff;
}

.left-arrow {
    opacity: 0;
}

.left-arrow:hover {
    opacity: 1;
}

.right-arrow {
    opacity: 0;
}

.right-arrow:hover {
    opacity: 1;
}

.erji-box {
    width: 1555px;
    position: absolute;
    top: 48px;
    left: -40px;
    background-color: #fff;
    display: flex;
}

.erji-box ul .li1 {
    width: 150px;
    height: 100px;
    line-height: 100px;
    padding-left: 30px;
    font-weight: 500;
    font-size: 30px;
    color: red;
}

.erji-box ul li {
    color: #000;
    font: 12px;
    cursor: pointer;
    padding-left: 30px;
}

.nanz {
    position: relative;
    left: 160px;
    width: 200px;
    height: 300px;
    border-left: 1px solid #ccc;
}

.type {
    width: 90px;
    height: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.erji-box {
    visibility: hidden;
}

.type:hover .erji-box {
    visibility: visible;
}

.type:hover {
    color: red;
    background-color: #fff;
}

.type:hover .tips {
    border: red;
}